Ratio and Pi

Front

If the diameter of a circle is 50 yards, what is the radius?

Back

The radius is 25 yards.

Tags

CCSS.7.G.B.4

Front

What is the value of pi?

Back

Pi is approximately 3.14.

Tags

CCSS.HSG.GMD.A.1

Front

What is the equation that represents the relationship between the circumference (C) and the diameter (d) of a circle?

Back

Tags

CCSS.7.G.B.4

Front

What formula do we use to find the circumference of a circle when given the radius?

Back

Tags

CCSS.7.G.B.4

Front

What is twice the radius of a circle called?

Back

It is called the diameter.

Tags

CCSS.HSG.C.A.2

Front

Define circumference in relation to a circle.

Back

Circumference is the distance around a circle.

Front

What is the formula for the area of a circle?

Back

Tags

CCSS.7.G.B.4

Front

How do you calculate the radius if you know the diameter?

Back

The radius is half of the diameter.

Tags

CCSS.7.G.B.4

Front

What is the relationship between the radius and diameter?

Back

The diameter is twice the radius.

Tags

CCSS.7.G.B.4

Front

What is the approximate value of pi to two decimal places?

Back

Pi is approximately 3.14.

Tags

CCSS.HSG.GMD.A.1